<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    .one {
        width: 100px;
        height: 100px;
        background-color: bisque;
        float: left;
    }

    .two {
        width: 200px;
        height: 200px;
        background-color: aqua;
        float: right;
    }
</style>
<body>
    <div class="one">one</div>
    <div class="two">two</div>
</body>
</html>